Help tapping an oil pan

[TurboTravis]

@Mk4 30R

pipe thread(NPT) seals on the THREADS which is why you use teflon or some type of thread seal

AN(army navy) seals on the flare. which is why you should NEVER use teflon tape on it.

Absolutely sickening when I see brand new aircraft with teflon tape on AN fittings…